/*
 *   Copyright 2021 zzh
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */

package com.aduib.boot.common.disruptor;

import com.lmax.disruptor.dsl.EventHandlerGroup;

/**
 * @description: 串行执行
 * @author: zzh
 * @date: 2021/9/16 16:39
 */
public class SerialHandlerBuildStrategy extends AbstractEventHandlerBuildStrategy {

  @Override
  @SuppressWarnings("unchecked")
  public void buildHandlerList(Disruptors<?> disruptor) {
    if (!getWithOneHandlers().isEmpty() && !getThenOneHandlers().isEmpty()) {
      EventHandlerGroup elementsEventHandlerGroup =
          disruptor
              .getDisruptor()
              .handleEventsWith(new ElementEventHandler[] {getWithOneHandlers().get(0)});
      //      for (int i = 1; i < getWithOneHandlers().size(); i++) {
      //        elementsEventHandlerGroup.handleEventsWith(getWithOneHandlers().get(i));
      //      }
      for (int i = 0; i < getThenOneHandlers().size(); i++) {
        elementsEventHandlerGroup.then(getThenOneHandlers().get(i));
      }
    }
  }
}
